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RHEL, futex

In which version of RHEL did they replace semaphores with a futex

RHEL 5.x, RHEL 6.x , etc

How does a futex work differently than a semaphore inside of the OS
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Los Angeles1
Asked:
Los Angeles1
1 Solution
 
nociSoftware EngineerCommented:
More info can be found in documentation like the man page:
http://linux.die.net/man/2/futex
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